Posterior view of the vertebral column, showing the cervical, thoracic, and lumbar vertebrae, and the sacrum and coccyx.

Lateral view of vertebral column curvature in an adult, showing cervical (red), thoracic (brown), and lumbar (yellow) vertebrae, and the sacrum and coccyx (orange).

Lateral view of curvature of the fetal vertebral column, showing cervical (red), thoracic (brown), and lumbar (yellow) vertebrae, and the sacrum and coccyx (orange).

Posterior view of the lumbar vertebrae, showing mammillary, accessory, transverse, superior articular, and inferior articular processes.

Superior view of the homologous parts of vertebrae, illustrating the centrum (uncolored), vertebral arch (pink), and the rib elements (yellow).

Left anterolateral view of vertebral ends of intercostal spaces showing intercostal vessels and nerves.

Superior view of lumbar vertebra with vertebral body sectioned transversely.

Lateral view of a typical 2nd lumbar vertebra.

Anterior view of transitional lumbosacral vertebra, with the 1st sacral vertebra partly free (lumbarized) and the 5th lumbar vertebral partly fused to sacrum (sacralized).

Lateral and superior views of a lumbar vertebra.

Anterolateral view of the lumbar vertebrae.